<template>
    <div class="son">
      <h3>我是Son组件（孙），{{car.name}}---{{car.price}}</h3>
    </div>
  </template>
  
  <script>
  import {inject} from 'vue'
  export default {
    name: "Son",
    setup(){
        let car = inject('car')
        return {car}
    }
  }
  </script>
  
  <style>
    .son{
      background-color: orange;
      padding: 10px;
    }
  </style>